Discord - get messages' authors

index.js

// https://stackoverflow.com/questions/6991494/
javascript: (function() {
  console.clear();
  let unique_only = Boolean(1);
  let arr = new Array();
  let messages = document.querySelectorAll('[id ^= "chat-messages-"]');
  Array.prototype.forEach.call(messages, callback);
  function callback(element, i) {
    let avatar = element.querySelector('[class ^= "avatar-"]'); // [aria-hidden ^= "true"];
    // ('[src ^= "https://cdn.discordapp.com/avatars/*]');
    if (avatar !== null && !(unique_only && arr.includes(avatar.src))) {
      arr.push(avatar.src);
      console.log(i, avatar);
    }
  };
  return [...messages].length;
})();